/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.sedona.core.enums;

/**
 * The DistanceMetric enum represents the different distance metrics that can be used in the
 * application.
 */
public enum DistanceMetric {
  /** The Euclidean distance metric, also known as straight line distance. */
  EUCLIDEAN,

  /**
   * The Haversine distance metric, which measures the shortest distance between two points on the
   * surface of a sphere.
   */
  HAVERSINE,

  /**
   * The Spheroid distance metric, which measures the shortest distance between two points on the
   * surface of a spheroid.
   */
  SPHEROID
}
